Company lists · Data refreshed November 2026
Top 25 Nonprofit donor relations consultants worldwide
RevenueBase identified 2,491 company matches for nonprofit donor relations consultants worldwide as of November 2026 and tracks 14,835 professional contacts across them, including 6,269 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for nonprofit donor relations consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for nonprofit donor relations consultants follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest nonprofit donor relations consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 894 contacts → | ||||
Exact match “For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 514 contacts → | ||||
Exact match “RKD Group is the trusted growth architect for nonprofits.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 281 contacts → | ||||
Exact match “TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 221 contacts → | ||||
Exact match “Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 213 contacts → | ||||
Exact match “We are M+R.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 149 contacts → | ||||
Exact match “AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 145 contacts → | ||||
Exact match “We exist to support non-profits as they carry out their world-changing missions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 133 contacts → | ||||
Exact match “AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 127 contacts → | ||||
Exact match “Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 121 contacts → | ||||
Exact match “Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 115 contacts → | ||||
Exact match “In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 103 contacts → | ||||
Exact match “Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 102 contacts → | ||||
Exact match “At KCI, we are a firm focused on values and people…both ours and yours.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 94 contacts → | ||||
Exact match “Orr Group is a nonprofit consulting firm specializing in the business of philanthropy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 90 contacts → | ||||
Exact match “Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 88 contacts → | ||||
Exact match “Schultz & Williams is a national consulting firm that helps nonprofits strengthen fundraising, leadership capacity and organizational strategy through development consulting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 84 contacts → | ||||
Exact match “Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 83 contacts → | ||||
Exact match “Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 79 contacts → | ||||
Exact match “Most faith-based organizations don't have a funding problem.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 79 contacts → | ||||
Exact match “At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 78 contacts → | ||||
Exact match “INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 76 contacts → | ||||
Exact match “Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 74 contacts → | ||||
Exact match “Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 74 contacts → | ||||
Exact match “EN: Global Philanthropic Canada is a full-service Canadian fundraising consultancy of highly experienced practitioners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 71 contacts → | ||||
Exact match “Surge Direct is one of the nation's foremost Direct Sales and Marketing companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “nonprofit donor relations consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,491 nonprofit donor relations consultants worldwide
See the full list, filter by size, metro and specialty, and access 6,269 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Nonprofit donor relations consultants worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for nonprofit donor relations consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “nonprofit donor relations consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 6,269 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Nonprofit donor relations consultants by location
13 lists · largest firstEvery Nonprofit donor relations consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit donor relations consultants based in the United States1,486
- Nonprofit donor relations consultants based in the United Kingdom109
- Nonprofit donor relations consultants based in Canada108
- Nonprofit donor relations consultants based in Australia41
Cities
- Nonprofit donor relations consultants based in New York, United States78
- Nonprofit donor relations consultants based in Chicago, United States54
- Nonprofit donor relations consultants based in Washington, United States49
- Nonprofit donor relations consultants based in Atlanta, United States40
- Nonprofit donor relations consultants based in London, United Kingdom35
- Nonprofit donor relations consultants based in Seattle, United States35
- Nonprofit donor relations consultants based in Los Angeles, United States28
- Nonprofit donor relations consultants based in Dallas, United States27
- Nonprofit donor relations consultants based in Toronto, Canada25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit donor relations consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nonprofit donor relations consultants are there worldwide?
RevenueBase identified 2,491 company matches for nonprofit donor relations consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
CCS Fundraising tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most nonprofit donor relations consultants?
The United States leads with 1,486 companies, followed by the United Kingdom (109) and Canada (108). Every nonprofit donor relations consultants list by country and city is linked on this page.
Which city has the most nonprofit donor relations consultants?
New York leads with 78 company records, followed by Chicago (54) and Washington (49).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,269 professional contacts with verified work emails tracked across these 2,491 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,491 nonprofit donor relations consultants worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 nonprofit donor relations consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,491 matching company records for nonprofit donor relations consultants worldwide, with 14,835 tracked contacts and 6,269 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit donor relations consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  CCS Fundraisingccsfundraising.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 894 contacts → |
“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RKD Grouprkdgroup.comHQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 514 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Truesense Marketingtruesense.comHQ: Warrendale, PA, United StatesReported employees: 201-500 | Warrendale, PA, United States | 201-500 | Exact match | 281 contacts → |
“TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  The Heritage Companytheheritagecompany.comHQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 221 contacts → |
“Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  M Rmrss.comHQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 213 contacts → |
“We are M+R.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Amphilamphil.comHQ: Oak Park, AZ, United StatesReported employees: 51-200 | Oak Park, AZ, United States | 51-200 | Exact match | 149 contacts → |
“AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SG Supportsgsupport.comHQ: Kuala Lumpur Central, MalaysiaReported employees: 201-500 | Kuala Lumpur Central, Malaysia | 201-500 | Exact match | 145 contacts → |
“We exist to support non-profits as they carry out their world-changing missions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  AGP Allegiance Group & Pursuantteamallegiance.comHQ: Fargo, ND, United StatesReported employees: 51-200 | Fargo, ND, United States | 51-200 | Exact match | 133 contacts → |
“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Arabella Advisorsarabellaadvisors.comHQ: Washington, NY, United StatesReported employees: 201-500 | Washington, NY, United States | 201-500 | Exact match | 127 contacts → |
“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MAL Warwick Donordigitalmwdagency.comHQ: Berkeley, DC, United StatesReported employees: 51-200 | Berkeley, DC, United States | 51-200 | Exact match | 121 contacts → |
“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  The Stelter Companystelter.comHQ: West Des Moines, IA, United StatesReported employees: 51-200 | West Des Moines, IA, United States | 51-200 | Exact match | 115 contacts → |
“In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Campbell & Companycampbellcompany.comHQ: Chicago, WA, United StatesReported employees: 51-200 | Chicago, WA, United States | 51-200 | Exact match | 103 contacts → |
“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  KCIkciphilanthropy.comHQ: Toronto, AB, CanadaReported employees: 51-200 | Toronto, AB, Canada | 51-200 | Exact match | 102 contacts → |
“At KCI, we are a firm focused on values and people…both ours and yours.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ORR Grouporrgroup.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 94 contacts → |
“Orr Group is a nonprofit consulting firm specializing in the business of philanthropy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Zuri Groupzurigroup.comHQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 90 contacts → |
“Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Schultz & Williamsschultzwilliams.comHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 88 contacts → |
“Schultz & Williams is a national consulting firm that helps nonprofits strengthen fundraising, leadership capacity and organizational strategy through development consulting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Avalon Consulting Groupavalonconsulting.netHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 84 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Marts&lundymartsandlundy.comHQ: Lyndhurst, United StatesReported employees: 51-200 | Lyndhurst, United States | 51-200 | Exact match | 83 contacts → |
“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Generisgeneris.comHQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 79 contacts → |
“Most faith-based organizations don't have a funding problem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Empower Success Corpsempowersuccesscorps.orgHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 79 contacts → |
“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Steier Groupsteiergroup.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 78 contacts → |
“INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Kiwi Partnerskiwipartners.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 76 contacts → |
“Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lautman Maska Neill & Companylautmandc.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Global Philanthropic Inc. Canadaglobalphilanthropic.caHQ: Calgary, QC, CanadaReported employees: 51-200 | Calgary, QC, Canada | 51-200 | Exact match | 74 contacts → |
“EN: Global Philanthropic Canada is a full-service Canadian fundraising consultancy of highly experienced practitioners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Surge Directsurgedirect.com.auHQ: Richmond, AustraliaReported employees: 51-200 | Richmond, Australia | 51-200 | Exact match | 71 contacts → |
“Surge Direct is one of the nation's foremost Direct Sales and Marketing companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,491 company matches
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Nonprofit donor relations consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,488 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,491 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Nonprofit donor relations consultants by location
13 lists · largest firstEvery Nonprofit donor relations consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit donor relations consultants based in the United States1,486
- Nonprofit donor relations consultants based in the United Kingdom109
- Nonprofit donor relations consultants based in Canada108
- Nonprofit donor relations consultants based in Australia41
Cities
- Nonprofit donor relations consultants based in New York, United States78
- Nonprofit donor relations consultants based in Chicago, United States54
- Nonprofit donor relations consultants based in Washington, United States49
- Nonprofit donor relations consultants based in Atlanta, United States40
- Nonprofit donor relations consultants based in London, United Kingdom35
- Nonprofit donor relations consultants based in Seattle, United States35
- Nonprofit donor relations consultants based in Los Angeles, United States28
- Nonprofit donor relations consultants based in Dallas, United States27
- Nonprofit donor relations consultants based in Toronto, Canada25
Questions about this company list
What does Exact match mean for nonprofit donor relations consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit donor relations consultants did RevenueBase find worldwide?
The saved snapshot records 2,491 matching company records, 14,835 tracked contacts and 6,269 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 nonprofit donor relations consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/nonprofit-donor-relations-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 nonprofit donor relations consultants worldwide
RevenueBase records 2,491 matching company records for nonprofit donor relations consultants worldwide, with 14,835 tracked contacts and 6,269 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit donor relations consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | CCS Fundraisingccsfundraising.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 894 contacts → |
“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RKD Grouprkdgroup.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 514 contacts → |
“RKD Group is the trusted growth architect for nonprofits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Truesense Marketingtruesense.com HQ: Warrendale, PA, United StatesReported employees: 201-500 | Warrendale, PA, United States | 201-500 | Exact match | 281 contacts → |
“TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | The Heritage Companytheheritagecompany.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 221 contacts → |
“Nonprofit Organizations count on The Heritage Company for fundraising and outreach to donors, members and other constituents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | M Rmrss.com HQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 213 contacts → |
“We are M+R.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Amphilamphil.com HQ: Oak Park, AZ, United StatesReported employees: 51-200 | Oak Park, AZ, United States | 51-200 | Exact match | 149 contacts → |
“AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SG Supportsgsupport.com HQ: Kuala Lumpur Central, MalaysiaReported employees: 201-500 | Kuala Lumpur Central, Malaysia | 201-500 | Exact match | 145 contacts → |
“We exist to support non-profits as they carry out their world-changing missions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AGP Allegiance Group & Pursuantteamallegiance.com HQ: Fargo, ND, United StatesReported employees: 51-200 | Fargo, ND, United States | 51-200 | Exact match | 133 contacts → |
“AGP partners with mission-driven organizations nationwide to strengthen donor engagement and support long-term, sustainable performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Arabella Advisorsarabellaadvisors.com HQ: Washington, NY, United StatesReported employees: 201-500 | Washington, NY, United States | 201-500 | Exact match | 127 contacts → |
“Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MAL Warwick Donordigitalmwdagency.com HQ: Berkeley, DC, United StatesReported employees: 51-200 | Berkeley, DC, United States | 51-200 | Exact match | 121 contacts → |
“Our team of expert consultants develops innovative direct marketing-driven donor development programs for exceptional nonprofit causes like yours.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Stelter Companystelter.com HQ: West Des Moines, IA, United StatesReported employees: 51-200 | West Des Moines, IA, United States | 51-200 | Exact match | 115 contacts → |
“In business since 1962, The Stelter Company is an integrated marketing agency that provides nonprofits with the insights and strategies needed to optimize revenue across the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Campbell & Companycampbellcompany.com HQ: Chicago, WA, United StatesReported employees: 51-200 | Chicago, WA, United States | 51-200 | Exact match | 103 contacts → |
“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | KCIkciphilanthropy.com HQ: Toronto, AB, CanadaReported employees: 51-200 | Toronto, AB, Canada | 51-200 | Exact match | 102 contacts → |
“At KCI, we are a firm focused on values and people…both ours and yours.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ORR Grouporrgroup.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 94 contacts → |
“Orr Group is a nonprofit consulting firm specializing in the business of philanthropy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Zuri Groupzurigroup.com HQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 90 contacts → |
“Zuri Group partners with nonprofit organizations to turn big ideas into reality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Schultz & Williamsschultzwilliams.com HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 88 contacts → |
“Schultz & Williams is a national consulting firm that helps nonprofits strengthen fundraising, leadership capacity and organizational strategy through development consulting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Avalon Consulting Groupavalonconsulting.net HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 84 contacts → |
“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Marts&lundymartsandlundy.com HQ: Lyndhurst, United StatesReported employees: 51-200 | Lyndhurst, United States | 51-200 | Exact match | 83 contacts → |
“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Generisgeneris.com HQ: Johns Creek, GA, United StatesReported employees: 51-200 | Johns Creek, GA, United States | 51-200 | Exact match | 79 contacts → |
“Most faith-based organizations don't have a funding problem.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Empower Success Corpsempowersuccesscorps.org HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 79 contacts → |
“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Steier Groupsteiergroup.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 78 contacts → |
“INTRODUCING THE STEIER GROUP Based in Omaha, Nebraska, with offices in Alabama, Arizona, Arkansas, California, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kiwi Partnerskiwipartners.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 76 contacts → |
“Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lautman Maska Neill & Companylautmandc.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 74 contacts → |
“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Global Philanthropic Inc. Canadaglobalphilanthropic.ca HQ: Calgary, QC, CanadaReported employees: 51-200 | Calgary, QC, Canada | 51-200 | Exact match | 74 contacts → |
“EN: Global Philanthropic Canada is a full-service Canadian fundraising consultancy of highly experienced practitioners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Surge Directsurgedirect.com.au HQ: Richmond, AustraliaReported employees: 51-200 | Richmond, Australia | 51-200 | Exact match | 71 contacts → |
“Surge Direct is one of the nation's foremost Direct Sales and Marketing companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Nonprofit donor relations consultants: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,488 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,491 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Nonprofit donor relations consultants by location
13 lists · largest firstEvery Nonprofit donor relations consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit donor relations consultants based in the United States1,486
- Nonprofit donor relations consultants based in the United Kingdom109
- Nonprofit donor relations consultants based in Canada108
- Nonprofit donor relations consultants based in Australia41
Cities
- Nonprofit donor relations consultants based in New York, United States78
- Nonprofit donor relations consultants based in Chicago, United States54
- Nonprofit donor relations consultants based in Washington, United States49
- Nonprofit donor relations consultants based in Atlanta, United States40
- Nonprofit donor relations consultants based in London, United Kingdom35
- Nonprofit donor relations consultants based in Seattle, United States35
- Nonprofit donor relations consultants based in Los Angeles, United States28
- Nonprofit donor relations consultants based in Dallas, United States27
- Nonprofit donor relations consultants based in Toronto, Canada25
Questions about this company list
What does Exact match mean for nonprofit donor relations consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit donor relations consultants did RevenueBase find worldwide?
The saved snapshot records 2,491 matching company records, 14,835 tracked contacts and 6,269 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 nonprofit donor relations consultants worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/nonprofit-donor-relations-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗